Question

Please solve very argent l will thank you for your help
Chapter = Atoms,Molecules and radicals
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Answer 1

Answer:

symbol for sodium is Na and its valency is 1

symbol of magnesium is Mg and its valency is 2

symbol of potassium is k and its valency is 1

symbol of hydroxide is HO and its valency is2

symbol of of oxide is O3 and its valency is 3

symbol of chloride is Cl and its valency is 1

symbol of bicarbonate is HCO3 and its valency is 1

symbol of carbonate is C and its valency is 2

Answer 2

symbol. valency

1. na^+ +1
2. mg^+2. +2
3. k^+. +1
4. oh. -1
5. cl^- +7
6. hco3^- +1
7. hco^- +2.

hope this will help u✌

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